3 | Components
Service manual
171
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
Is the problem solved? Action
No Return to the troubleshooting of the
specific error and continue with the
next procedure.
3.14 Main PCB
3.14.1 Single fan outdoor unit - single phase
Checking procedures
INFORMATION
It is recommended to perform the checks in the listed order.
To perform a power check of the main PCB
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see "3.17Plate work"[4230].
1 Turn ON the power of the unit.
2 Measure the voltage between the wires LC‑NC on the main PCB.
Result: The measured voltage MUST be 230VAC.
3 Measure the voltage on connector X99A on the main PCB.
Result: The measured voltage MUST be 230VAC.
a LC
b NC
c Connector X99A